CN115046236A - Wind-solar complementary large-temperature-difference clean heat supply system and method for heat exchange station - Google Patents
Wind-solar complementary large-temperature-difference clean heat supply system and method for heat exchange station Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/106—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump and solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2101/00—Electric generators of small-scale CHP systems
- F24D2101/20—Wind turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2101/00—Electric generators of small-scale CHP systems
- F24D2101/40—Photovoltaic [PV] modules
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a wind-solar complementary large-temperature-difference clean heat supply system and a method for a heat exchange station, wherein the system comprises a wind-solar complementary clean power supply system and a heat pump system, the heat pump system is arranged in a primary network water supply and return pipeline, the heat pump system is used for increasing the temperature difference of primary network hot water, and a secondary network return pipeline is provided with a wind-solar complementary heat collection system; the high-temperature side of the plate heat exchanger is connected with a primary network water supply pipeline and a water return pipeline, the low-temperature side of the plate heat exchanger is connected with a secondary network water supply pipeline and a water return pipeline, and the wind-solar complementary cleaning power supply system is used for supplying power to a secondary network pipeline and power equipment in a heat pump system; the wind and light renewable energy sources with complementary fluctuation characteristics are efficiently coupled, and the commercial power is used as basic guarantee and supplement, so that the wind power and photoelectric absorption capacity is improved; the temperature difference of the primary network for supplying and returning water can be effectively enlarged, the long-distance large-temperature-difference small-flow heat supply is realized, and the energy consumption of primary network transportation is reduced; wind and light are converted into heat to be supplemented into a secondary network, and heat supply by clean energy is realized.
Description
Technical Field
The invention belongs to the technical field of clean heat supply, and particularly relates to a wind-solar complementary large-temperature-difference clean heat supply system and method for a heat exchange station.
Background
At present, the economic construction of China develops rapidly, the urban scale expands gradually, the building energy load demand also increases, wherein the building energy load demand of northern areas is mostly the heat load demand, and the heat source is mainly a thermal power plant, with the "fourteen five" plans and the "double carbon" target implemented gradually, the conflict between the heat source side heat supply capacity and the heat load demand of rapid growth is more and more severe, simultaneously the problems of environmental pollution and greenhouse effect caused by the traditional fossil energy heat supply are increasingly prominent, and the development of a novel heating mode as the replacement or supplement of the existing centralized heating system is the main problem to be solved urgently in the transformation development process of the heat supply industry. The thermal power plant moves away from the urban area gradually, and the heating area that accepts needs to carry out long distance heat supply, and the in-process carries the too high, heat loss scheduling problem of power consumption, and current clean energy heating technical route is numerous, but all has undulant strong, the unstable defect of heating power, needs to establish an energy saving and emission reduction, clean efficient heating system that is applicable to current long distance central heating urgently, changes the problem that exists in the current central heating system development process.
Disclosure of Invention
Aiming at the problems, the invention establishes a wind-solar complementary large-temperature-difference clean heat supply system for the heat exchange station, eliminates the problem caused by strong resource fluctuation by utilizing the resource characteristics of less quantity of wind energy in the daytime and more quantity of the wind energy at night and no quantity of the solar energy at night, and provides an energy-saving, emission-reducing, clean and efficient heat supply system for long-distance centralized heat supply.
In order to achieve the purpose, the invention adopts the technical scheme that: a wind-solar complementary large-temperature-difference clean heat supply system of a heat exchange station comprises a wind-solar complementary clean power supply system and a heat pump system, wherein the heat pump system is arranged in a primary network water supply and return pipeline, the heat pump system is used for increasing the hot water temperature difference of the primary network, and a wind-solar complementary heat collection system is arranged on a secondary network return pipeline; the high-temperature side of the plate heat exchanger is connected with a primary network water supply pipeline and a water return pipeline, the low-temperature side of the plate heat exchanger is connected with a secondary network water supply pipeline and a water return pipeline, and the wind-solar complementary cleaning power supply system is used for supplying power to a secondary network pipeline and power equipment in a heat pump system; the wind-solar hybrid clean power supply system comprises a wind power generation system, a solar power generation system and a distribution box, wherein the electric energy output ends of the wind power generation system and the solar power generation system are connected with the input end of the distribution box, and the input end of the distribution box is also connected with a mains supply.
The primary network water supply pipeline is sequentially connected with the low-temperature side of the condenser and the high-temperature side inlet of the plate heat exchanger, the primary network water return pipeline is sequentially connected with the high-temperature side outlet of the plate heat exchanger and the heat release side of the evaporator, and the heat absorption side of the evaporator is sequentially connected with the compressor, the high-temperature side of the condenser and the expansion valve.
And a temperature sensor is arranged on a pipeline from a low-temperature side outlet of the condenser to the plate heat exchanger.
The wind-solar complementary heat collecting system comprises a solar heat collector and a wind-power heat collector which are connected in parallel, wherein the inlets of the solar heat collector and the wind-power heat collector are connected with a secondary network water return pipeline, and the outlets of the solar heat collector and the wind-power heat collector are connected with a secondary network water supply pipeline.
The inlets of the solar heat collector and the wind power heat collector are respectively provided with a ball valve, and the outlets of the solar heat collector and the wind power heat collector are sequentially provided with an electric adjusting valve and a ball valve along the medium flow direction.
And temperature sensors are arranged at outlets of the solar heat collector and the wind heat collector.
A ball valve, a Y-shaped filter and a secondary network circulating pump are sequentially arranged on a pipeline from the secondary network water return pipeline to the wind-solar complementary heat collecting system; an electric control valve and a ball valve are sequentially arranged on a pipeline from the heat pump system to a water supply pipeline of the primary network.
And an electric regulating valve is arranged at the low-temperature side inlet of the plate heat exchanger.
According to the operation method of the large-temperature-difference clean heat supply system of the heat exchange station, primary network water supply absorbs heat from a heat pump system, the water supply temperature rises and then enters a plate heat exchanger, primary network backwater releases heat to the heat pump system, and the temperature is reduced and then returns to a primary network hot water source; the secondary network water supply is conveyed to a user from the plate heat exchanger, and the secondary network backwater enters the plate heat exchanger after absorbing heat through the wind-solar complementary heat collecting system or directly enters a secondary network water supply pipeline; the wind-solar hybrid cleaning power supply system supplies power to the power equipment in the secondary network management circuit and the heat pump system through the distribution box, and when the wind-solar hybrid cleaning power supply system is insufficient in power supply, the commercial power is adopted to supply power to the power equipment in the secondary network management circuit and the heat pump system.
And the temperature from the low-temperature side outlet of the condenser to the pipeline of the plate heat exchanger is monitored in real time, and the temperature of the outlets of the solar heat collector and the wind heater is monitored in real time.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the wind-solar hybrid power generation system, two renewable energy sources with complementary fluctuation characteristics of wind and light are efficiently coupled, and the commercial power is used as basic guarantee and supplement, so that the wind power and photoelectric absorption capacity is improved; the large-temperature-difference heat pump can effectively enlarge the temperature difference of the primary network for supplying and returning water, realize long-distance large-temperature-difference small-flow heat supply and reduce the energy consumption for conveying the primary network; the wind-solar heat collector and the solar heat collector are used for converting wind and light into heat to be supplemented into the secondary network, so that heat supply of clean energy is realized, and the heat supply cost and pollutant emission are reduced; the invention is used for the heat exchange station, can reduce the side pressure of the heat source of the centralized heat supply system, realizes the thermoelectric decoupling of partial degree, and simultaneously improves the heat supply quality and reliability of users.
Drawings
FIG. 1 is a schematic structural diagram of a large temperature difference cleaning and heating system of a wind-solar hybrid heat exchange station.
In the drawings, 1-first ball valve; 2-a first Y-strainer; 3-a first electric regulating valve; 4-a second ball valve; 5-a plate heat exchanger; 6-a third ball valve; 7-a second electric regulating valve; 8-two-network circulating water pump; 9-a second Y-strainer; 10-a fourth ball valve; 11-a condenser; 12-an expansion valve; 13-an evaporator; 14-a compressor; 15-a fifth ball valve; 16-a solar thermal collector; 17-a third electrically actuated regulator valve; 18-a sixth ball valve; 19-a seventh ball valve; 20-wind power heater; 21-a fourth electric control valve; 22-eighth ball valve; 23-a wind power generator; 24-a rectifier; 25-an inverter; 26-solar photovoltaic panel; 27-an inverter; 28-electric distribution box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Various structural schematics according to the disclosed embodiments of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
The primary network refers to a pipe network from a main heat supply source of the central heating system to heat exchange stations of each heating community; the secondary network is a hot water pipe network from a heat exchange station of a heating community to an inlet of a heating user building.
Referring to fig. 1, a wind-solar complementary large temperature difference clean heat supply system of a heat exchange station comprises a wind-solar complementary clean power supply system and a heat pump system, wherein the heat pump system is arranged in a primary network water supply and return pipeline, the heat pump system is used for increasing the hot water temperature difference of the primary network, and a wind-solar complementary heat collection system is arranged on a secondary network return pipeline; the high-temperature side of the plate type heat exchanger 5 is connected with a primary network water supply and return pipeline, the low-temperature side of the plate type heat exchanger 5 is connected with a secondary network water supply and return pipeline, and the wind-solar complementary cleaning power supply system is used for supplying power to a secondary network pipeline and power equipment in a heat pump system; the wind-solar hybrid clean power supply system comprises a wind power generation system, a solar power generation system and a distribution box 28, wherein the electric energy output ends of the wind power generation system and the solar power generation system are connected with the input end of the distribution box, and the input end of the distribution box 28 is also connected with a mains supply.
The wind-solar hybrid cleaning power supply system comprises a wind driven generator 23, a rectifier 24, a first inverter 25, a solar photovoltaic panel 26, a second inverter 27, a distribution box 28 and commercial power, wherein the wind driven generator 23, the rectifier 24, the first inverter 25 and the distribution box are sequentially connected, and the solar photovoltaic panel 26, the second inverter 27 and the distribution box 28 are sequentially connected.
Referring to fig. 1, a primary network water supply line sequentially connects a low temperature side of a condenser 11 and a high temperature side inlet of a plate heat exchanger 5, a primary network water return line sequentially connects a high temperature side outlet of the plate heat exchanger 5 and a heat radiation side of an evaporator 13, and a heat absorption side of the evaporator 13 sequentially connects a compressor 14, a high temperature side of the condenser 11 and an expansion valve 12. Fig. 1 shows "one net" as "primary net" and "two nets" as "secondary net".
A temperature sensor is arranged on a pipeline from the outlet of the low-temperature side of the condenser 11 to the plate heat exchanger 5.
The wind-solar complementary heat collecting system comprises a solar heat collector 16 and a wind-driven heat collector 20 which are connected in parallel, wherein inlets of the solar heat collector 16 and the wind-driven heat collector 20 are connected with a secondary network water return pipeline, and outlets of the solar heat collector 16 and the wind-driven heat collector 20 are connected with a secondary network water supply pipeline; the inlets of the solar heat collector 16 and the wind heat collector 20 are respectively provided with a fifth ball valve 15 and a seventh ball valve 19, and the outlet of the solar heat collector 16 is sequentially provided with an electric regulating valve third 17 and a sixth ball valve 18 along the medium flow direction; the outlets of the solar heat collector 16 and the wind heat collector 20 are sequentially provided with a fourth electric regulating valve 21 and an eighth ball valve 22 along the medium flow direction.
As an alternative, temperature sensors are disposed at the outlets of the solar thermal collector 16 and the wind thermal collector 20, and the outlet temperatures of the solar thermal collector 16 and the wind thermal collector 20 are monitored in real time during the operation process, so as to provide data for changing the operation state or the power of the heat pump system.
A first ball valve 1 and a first Y-shaped filter 2 are arranged on the primary network water supply pipeline, and a fourth ball valve 10, a second Y-shaped filter 9 and a secondary network circulating pump 8 are sequentially arranged on a pipeline from the secondary network water return pipeline to the wind-solar complementary heat collecting system; a first electric regulating valve 3 and a second ball valve 4 are sequentially arranged on a pipeline from the heat pump system to a water supply pipeline of a primary network; and a third ball valve 6 is arranged on the secondary network water supply pipeline.
And a second electric regulating valve 7 is arranged at the low-temperature side inlet of the plate heat exchanger and can be used for remotely controlling and regulating the flow of the low-temperature side inlet of the plate heat exchanger or whether secondary net backwater enters the plate heat exchanger 5.
According to the operation method of the large-temperature-difference clean heat supply system of the heat exchange station, primary network water supply absorbs heat from a heat pump system, the water supply temperature rises and then enters a plate heat exchanger 5, primary network backwater releases heat to the heat pump system, and the water returns to a primary network hot water source after the temperature is reduced; the secondary network water supply is conveyed to a user from the plate type heat exchanger 5, and the secondary network backwater enters the plate type heat exchanger 5 after absorbing heat through the wind-solar complementary heat collecting system or directly enters a secondary network water supply pipeline; the wind-solar complementary cleaning power supply system supplies power to the secondary network management circuit and the power equipment in the heat pump system through the distribution box 28, and when the wind-solar complementary cleaning power supply system is insufficient in power supply, the commercial power is adopted to supply power to the secondary network management circuit and the power equipment in the heat pump system.
When the system is used for supplying heat in a heating period, a large-temperature-difference heat pump system is utilized to improve the temperature difference of supply and return water of the primary network side, large-temperature-difference small-flow heat supply is realized, the power consumption and water consumption of a central heat supply system are reduced, the heat supply cost is reduced, a solar heat collector and a wind power heater are additionally arranged on the secondary network side, two renewable energy sources with complementary wind and light wave properties are efficiently and cooperatively used for supplying heat, the utilization rate of clean energy is improved, a wind power generator and a solar photovoltaic panel are utilized on the power supply side to supply power to electric equipment such as a circulating water pump, a large-temperature-difference heat pump compressor and the like in the heat supply system, wind power and photoelectricity are used as basic power supplies, commercial power is used for supplying power when the wind and light resources are insufficient, the consumption of the renewable energy is improved, the wind and light complementary clean heat supply system is used for fully integrating wind and light resources into a heat exchange unit of the central heat supply system, and can realize self-sufficiency of equipment operation power consumption, the consumption capacity and the energy utilization rate of wind and light renewable energy sources are improved, the heat supply cost and the pollutant emission are reduced, and the multiple operation indexes of heat consumption, electricity consumption and water consumption of a centralized heat supply system are reduced.
The operation method of the wind-solar complementary large-temperature-difference clean heat supply system of the heat exchange station comprises the following specific steps: the micro-grid part: the wind power generator utilizes wind energy to generate electricity, the electricity is processed by the rectifier and the inverter and then is converted into available alternating current, the electricity generated by the solar photovoltaic panel is processed by the inverter and then is converted into available alternating current, the electricity and the available alternating current are distributed to electric equipment such as a heat pump, a circulating water pump and the like in a system through a distribution box, and when the wind power generator set and the photovoltaic set do not generate enough power, the electric power is used for supplementing the insufficient part of the power consumption. The heat exchanger unit part: the primary network water of the heat exchange station is heated by the large-temperature-difference heat pump and then is sent into the heat exchange unit, the heat pump extracts the primary network backwater heat, the primary network is enlarged to supply backwater temperature difference, long-distance large-temperature-difference small-flow heat supply is realized, the primary network conveying energy consumption is reduced, the secondary network side backwater is divided into three paths, one path of the backwater enters the solar heat collector to heat the secondary network backwater by using solar energy, the second path of the backwater enters the wind power heat generator to drive the stirrer to heat the secondary network backwater by using the fan, the third path of the backwater enters the plate heat exchanger to be heated by the primary network water, and then the three paths of the backwater are mixed and then are supplied to heat users, so that wind and light clean energy is supplied to heat.
In summary, the invention uses the resource characteristics of less and more night in the daytime of wind energy and no and more night in the daytime of solar energy to complement, firstly, a clean energy power supply system which is composed of a wind generating set, a photovoltaic generating set and commercial power is constructed, the clean energy power supply system is used for providing power consumption for a heat pump and a water pump in a heat supply system, wind power and photoelectricity are used as a basic power supply, and the commercial power supplies the part with insufficient power to the clean energy power supply system according to the electric load of equipment and the wind-light output condition, so that the absorption capacity of the wind power and the photoelectricity is improved; a large-temperature-difference heat pump is additionally arranged on the primary pipe network side of the heat exchange station and used for improving the temperature difference of supply water and return water of the primary pipe network, and long-distance large-temperature-difference small-flow heat supply is realized, so that the power consumption, water consumption and heat consumption of a centralized heat supply system are reduced; a clean heat supply loop formed by connecting a solar heat collector and a wind power heat generator in parallel is supplemented to the side of the secondary network, the solar heat collector heats the return water of the secondary network by using solar energy, the wind power heat generator drives a stirrer by using a fan to heat the return water of the secondary network so as to achieve the heating purpose, and the solar heat collector and the wind power heat generator also form a clean energy heat supply system by using the complementary characteristic of wind and light resources. The invention utilizes the resource characteristics of wind energy with less days and more nights and solar energy with or without days and nights to complement each other, simultaneously integrates a large-temperature-difference heat pump, establishes a set of clean heat supply system suitable for long-distance heat supply, improves the consumption capacity and the utilization rate of clean energy, reduces the conveying energy consumption of a centralized heat supply system, lightens the influence of rapidly expanded regional heat load on a heat source thermal power unit, reduces the pollutant emission of the system, accords with the policy of double carbon, and is suitable for the transformation development of the heat supply industry to the clean heating direction.
The above contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention should not be limited thereby, and any modification made on the basis of the technical idea proposed by the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A wind-solar complementary large-temperature-difference clean heat supply system of a heat exchange station is characterized by comprising a wind-solar complementary clean power supply system and a heat pump system, wherein the heat pump system is arranged in a primary network water supply and return pipeline and is used for increasing the hot water temperature difference of the primary network, and a wind-solar complementary heat collection system is arranged on a secondary network return pipeline; the high-temperature side of the plate type heat exchanger (5) is connected with a primary network water supply pipeline and a secondary network water return pipeline, and the wind-solar complementary clean power supply system is used for supplying power for power equipment in the secondary network pipeline and the heat pump system; the wind-solar hybrid clean power supply system comprises a wind power generation system, a solar power generation system and a distribution box (28), wherein the electric energy output ends of the wind power generation system and the solar power generation system are connected with the input end of the distribution box, and the input end of the distribution box (28) is also connected with a mains supply.
2. The wind-solar hybrid heat exchange station large-temperature-difference clean heating system according to claim 1, characterized in that a primary network water supply pipeline is sequentially connected with a low-temperature side of the condenser (11) and a high-temperature side inlet of the plate heat exchanger (5), a primary network water return pipeline is sequentially connected with a high-temperature side outlet of the plate heat exchanger (5) and a heat release side of the evaporator (13), and a heat absorption side of the evaporator (13) is sequentially connected with the compressor (14), the high-temperature side of the condenser (11) and the expansion valve (12).
3. The wind-solar hybrid heat exchange station large-temperature-difference clean heating system is characterized in that a temperature sensor is arranged on a pipeline from a low-temperature side outlet of the condenser (11) to the plate heat exchanger (5).
4. The wind-solar hybrid heat exchange station large temperature difference cleaning and heating system according to claim 1, characterized in that the wind-solar hybrid heat collecting system comprises a solar heat collector (16) and a wind-driven heat collector (20) which are connected in parallel, the inlets of the solar heat collector (16) and the wind-driven heat collector (20) are connected with a secondary network water return pipeline, and the outlets of the solar heat collector (16) and the wind-driven heat collector (20) are connected with a secondary network water supply pipeline.
5. The wind-solar hybrid heat exchange station large-temperature-difference clean heating system as claimed in claim 4, wherein ball valves are arranged at inlets of the solar heat collector (16) and the wind heat collector (20), and an electric regulating valve and the ball valves are sequentially arranged at outlets of the solar heat collector (16) and the wind heat collector (20) along a medium flow direction.
6. The wind-solar hybrid heat exchange station large temperature difference cleaning and heating system according to claim 4, characterized in that a temperature sensor is arranged at the outlet of the solar heat collector (16) and the wind heat collector (20).
7. The large-temperature-difference clean heating system of the wind-solar complementary heat exchange station according to claim 4, wherein a ball valve, a Y-shaped filter and a secondary network circulating pump (8) are sequentially arranged on a pipeline from a secondary network water return pipeline to the wind-solar complementary heat collecting system; an electric control valve and a ball valve are sequentially arranged on a pipeline from the heat pump system to a water supply pipeline of the primary network.
8. The wind-solar hybrid heat exchange station large temperature difference cleaning and heating system according to claim 1, wherein an electric regulating valve is arranged at a low-temperature side inlet of the plate heat exchanger.
9. The operation method of the large temperature difference cleaning and heating system of the heat exchange station according to any one of claims 1 to 8, characterized in that the primary network water supply absorbs heat from the heat pump system, the water supply temperature rises and enters the plate heat exchanger (5), the primary network water return releases heat to the heat pump system, and the temperature drops and returns to the primary network hot water source; secondary network water supply is conveyed to a user from the plate heat exchanger (5), and secondary network backwater enters the plate heat exchanger (5) after being absorbed by the wind-solar complementary heat collecting system or directly enters a secondary network water supply pipeline; the wind-solar complementary cleaning power supply system supplies power to the secondary network management circuit and the power equipment in the heat pump system through the distribution box (28), and when the wind-solar complementary cleaning power supply system is insufficient in power supply, the commercial power is adopted to supply power to the secondary network management circuit and the power equipment in the heat pump system.
10. Operating method according to claim 9, characterised in that the temperature on the pipe from the outlet of the low temperature side of the condenser (11) to the plate heat exchanger (5) is monitored in real time, and the temperature at the outlet of the solar collector (16) and the wind heater (20) is monitored in real time.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899797A (en) * | 2022-10-14 | 2023-04-04 | 天津大学 | Power generation and heat supply control system |
| CN116804467A (en) * | 2023-08-03 | 2023-09-26 | 广州永昱节能科技股份有限公司 | Intelligent control system and method for multi-energy complementary central heating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2404813A1 (en) * | 1977-09-29 | 1979-04-27 | Delta Ineco | Integrated atmospheric energy capture systems for residential purposes - incorporating wind and solar energy traps and a heat pump |
| CN102269442A (en) * | 2011-07-13 | 2011-12-07 | 清华大学 | Heating system utilizing heat pump technology to improve heating capacity of central heating pipe network |
| CN109373416A (en) * | 2018-10-10 | 2019-02-22 | 吉林天亮人工环境科技有限公司 | A kind of central heating system being distributed formula electric heating pump peak adjusting device in secondary network |
| CN109974060A (en) * | 2019-05-06 | 2019-07-05 | 云能科技有限公司 | Central heating system |
| CN111706899A (en) * | 2020-06-18 | 2020-09-25 | 大唐东北电力试验研究院有限公司 | Wind, light and electricity multi-energy complementary distributed heating system |
| CN113175699A (en) * | 2021-06-08 | 2021-07-27 | 西安热工研究院有限公司 | Distributed heating system based on comprehensive utilization of various clean energy |
-
2022
- 2022-06-21 CN CN202210706794.8A patent/CN115046236A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2404813A1 (en) * | 1977-09-29 | 1979-04-27 | Delta Ineco | Integrated atmospheric energy capture systems for residential purposes - incorporating wind and solar energy traps and a heat pump |
| CN102269442A (en) * | 2011-07-13 | 2011-12-07 | 清华大学 | Heating system utilizing heat pump technology to improve heating capacity of central heating pipe network |
| CN109373416A (en) * | 2018-10-10 | 2019-02-22 | 吉林天亮人工环境科技有限公司 | A kind of central heating system being distributed formula electric heating pump peak adjusting device in secondary network |
| CN109974060A (en) * | 2019-05-06 | 2019-07-05 | 云能科技有限公司 | Central heating system |
| CN111706899A (en) * | 2020-06-18 | 2020-09-25 | 大唐东北电力试验研究院有限公司 | Wind, light and electricity multi-energy complementary distributed heating system |
| CN113175699A (en) * | 2021-06-08 | 2021-07-27 | 西安热工研究院有限公司 | Distributed heating system based on comprehensive utilization of various clean energy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899797A (en) * | 2022-10-14 | 2023-04-04 | 天津大学 | Power generation and heat supply control system |
| CN116804467A (en) * | 2023-08-03 | 2023-09-26 | 广州永昱节能科技股份有限公司 | Intelligent control system and method for multi-energy complementary central heating |
| CN116804467B (en) * | 2023-08-03 | 2024-03-01 | 东营市星创园区运营管理有限公司 | Intelligent control system and method for multi-energy complementary central heating |
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